Tiêu đề 2 sexual reproduction ppt Part 3.pdf ✅

© www.bankofbiology.com Contact us
 It is the transfer of pollen grains from the anther to the stigma of a pistil. PRE-FERTILIZATION: STRUCTURES & EVENTS POLLINATION bankofbiolo gy.c om
Based on the source of pollen, pollination is 3 types: a. Autogamy (self-pollination) b. Geitonogamy c. Xenogamy PRE-FERTILIZATION: STRUCTURES & EVENTS POLLINATION Types of Pollination bankofbiolo gy.c om
PRE-FERTILIZATION: STRUCTURES & EVENTS a) Autogamy (self-pollination)  It is the transfer of pollen grains from the anther to stigma of the same flower.  In flowers with exposed anthers & stigma, complete autogamy is rare.  Autogamy in such flowers requires synchrony in pollen release and stigma receptivity. Also, anthers & stigma should be close to each other. POLLINATION Types of Pollination bankofbiolo gy.c om